Busan
South Korea
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Busan, South Korea

The Haedong Yonggungsa Temple set on a beautiful hillside in Busan, South Korea
The Haedong Yonggungsa Temple set on a beautiful hillside in Busan, South Korea
The first month of the winter, December, is also a fresh month in Busan, South Korea, with average temperature varying between 2°C (35.6°F) and 10.5°C (50.9°F).

Temperature

In Busan, the average high-temperature decreases, from a comfortable 16.3°C (61.3°F) in November, to a cool 10.5°C (50.9°F). The average low-temperature, in Busan, is 2°C (35.6°F).

Humidity

The average relative humidity in December is 50.1%.

Rainfall

The month with the least rainfall in Busan is December when the rain falls for 4.2 days and typically collects 22.8mm (0.9") of precipitation.

Sea temperature

In Busan, the average seawater temperature is 16.7°C (62.1°F).
Note: Swimming in 16.7°C (62.1°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

The month with the shortest days in Busan is December, with an average of 9.8h of daylight.

Sunshine

In December, the average sunshine in Busan is 6.6h.

UV index

Months with the lowest UV index in Busan are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in December in Busan?

The average high-temperature, in December, in Busan, South Korea, is 10.5°C (50.9°F), while the average low-temperature is 2°C (35.6°F).

What is the average humidity in December in Busan?

The average relative humidity in December in Busan, South Korea, is 50.1%.

How much does it rain in Busan in December?

In Busan, South Korea, in December, during 4.2 rainfall days, 22.8mm (0.9") of precipitation is typically accumulated.

What is the driest month in Busan?

The month with the least rainfall in Busan, South Korea, is December when the rain falls for 4.2 days and typically collects 22.8mm (0.9") of precipitation.

How cold is the water in December in Busan?

In Busan, the average seawater temperature in December is 16.7°C (62.1°F). For swimming, a surface water temperature of 16.7°C (62.1°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the month with the shortest days in Busan?

With an average of 9.8h of daylight, December has the shortest days of the year in Busan, South Korea.

What is the average length of the day in December in Busan?

In December, the average length of the day in Busan is 9.8h.

How long on average sun shines in December in Busan?

In Busan, the average sunshine in December is 6.6h.

When is the lowest UV index in Busan?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Busan.

How high is the UV index in December in Busan?

In December, the average daily maximum UV index in Busan is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to the UV radiation.
Average temperature in December - Busan, South Korea
  • Average high temperature in December: 10.5°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (7.8°C).

  • Average low temperature in December: 2°C

The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).

Average humidity in December - Busan, South Korea
  • Average humidity in December: 50.1%

The month with the highest relative humidity is July (84.3%).
The month with the lowest relative humidity is January (48.3%).

Average rainfall in December - Busan, South Korea
  • Average rainfall in December: 22.8mm

The wettest month (with the highest rainfall) is July (316.9mm).
The driest month (with the lowest rainfall) is December (22.8mm).

Average rainfall days in December - Busan, South Korea
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is July (13.6 days).
The month with the lowest number of rainy days is December (4.2 days).

Average sea temperature in December - Busan, South Korea
  • Average sea temperature in December: 16.7°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).

Average daylight in December / Average sunshine in December - Busan, South Korea
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 6.6h

The month with most sunshine is May (Average sunshine: 7.2h).
The month with least sunshine is July (Average sunshine: 5.3h).

Average UV index in December - Busan, South Korea
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 2).